Question
If two circles of radii 'R' and 'r' cm intersect each other
externally at one point, then which of the following is true?Solution
When two circles of radii 'R' and 'r' cm intersect each other externally at one point, then distance between centre of circles is equal to the sum of their radii.
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'x' varies directly as per 'y' and 'z'. When 'y' = 6 and 'z' = 8, then x = 16. Find the value of 'z', when 'y' = 8 and x = 24.
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In a sequence of three natural numbers, the largest number is 25 more than the smallest. The smallest and the second smallest num...
What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?